// 
// Entify project
//  
// Author:
//       Lauri Taimila <lauri@taimila.com>
// 
// Copyright (c) 2010 Lauri Taimila
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using System.Linq;
using System.Collections.Generic;
using MonoDevelop.Core;
using MonoDevelop.Core.Serialization;

namespace MonoDevelop.EntifyEditor
{
	/// <summary>
	/// Entity set is a collection of entities.
	/// </summary>
	[DataItem]
	public class EntitySet
	{
		/// <summary>
		/// Constuctor for XML Serializer.
		/// </summary>
		private EntitySet()
		{
			this.Entities = new List<Entity>();
			this.Name = "";
			this.Namespace = "";
		}
		
		/// <summary>
		/// Create a new empty entity model with name.
		/// </summary>
		public EntitySet(string name, string entityNamespace)
		{
			this.Entities = new List<Entity>();
			this.Name = name;
			this.Namespace = entityNamespace;
		}

		/// <summary>
		/// Name of the entity set. Each project can contain
		/// multiple entity sets. Each set must have a unique
		/// name.
		/// </summary>
		[ItemProperty]
		public string Name
		{
			get;
			set;
		}

		/// <summary>
		/// Should entify editor generate partial entity classes
		/// from this entity set.
		/// </summary>
		[ItemProperty]
		public bool GeneratePartialClasses
		{
			get;
			set;
		}

		/// <summary>
		/// Namespace where entity classes live.
		/// </summary>
		[ItemProperty]
		public string Namespace
		{
			get;
			set;
		}

		/// <summary>
		/// Entities of the entity set.
		/// </summary>
		[ItemProperty]
		private List<Entity> entities;
		public List<Entity> Entities
		{
			get
			{
				return this.entities;
			}
			set
			{
				this.entities = value;
			}
		}

		/// <summary>
		/// Currently active entity in this entity set.
		/// Null, if there is no active entity.
		/// </summary>
		public Entity ActiveEntity
		{
			get;
			set;
		}

		/// <summary>
		/// Returns filename for classes that are generated from
		/// this entity set.
		/// </summary>
		public string FilenameForGeneratedClasses
		{
			get
			{
				return this.Name + "GeneratedEntityClasses.cs";
			}
		}

		/// <summary>
		/// Gets entity from entity set model by entity Id (GUID).
		/// </summary>
		public Entity GetEntity(string guid)
		{
			try
			{
				return this.entities.Where(e => e.Id == guid).Single();
			}
			catch
			{
				return null;
			}
		}

		/// <summary>
		/// Is entity set valid for code generation.
		/// </summary>
		public bool IsValid
		{
			get
			{
				foreach(var entity in this.Entities)
				{
					if(!entity.IsValid)
					{
						return false;
					}
				}

				return true;
			}
		}
	}
}
